CVE-2026-0756

CRITICAL
2026-01-23 [email protected]
9.8
CVSS 3.0
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CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 23, 2026 - 04:16 nvd
CRITICAL 9.8

Tags

Github RCE Command Injection AI / ML

Description

github-kanban-mcp-server execAsync Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of github-kanban-mcp-server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the create_issue parameter. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-27784.

Analysis

github-kanban-mcp-server has a command injection in execAsync (EPSS 1.0%) enabling remote code execution on developer machines using the GitHub Kanban MCP integration.

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Remediation

Within 24 hours: Identify all systems running github-kanban-mcp-server and isolate them from production networks or disable the service immediately. Within 7 days: Implement network segmentation to restrict access to affected systems, deploy WAF rules to block execAsync command injection payloads, and monitor logs for exploitation attempts. …

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Priority Score

50
Low Medium High Critical
KEV: 0
EPSS: +1.0
CVSS: +49
POC: 0

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CVE-2026-0756 vulnerability details – vuln.today
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